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Family Cimbicidae - Cimbicid Sawflies

Unidentified Nipissing Township, Ontario - Cimbex americana - male Cimbex 6.28.09 01 - Cimbex americana Fly (large jawed) - Trichiosoma triangulum elm sawfly - Cimbex americana wasp type thing - Cimbex americana What is this, and what is it doing? - Cimbex ID Please - Cimbex americana Elm Sawfly larva - Cimbex americana - Cimbex americana
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Cimbicidae (Cimbicid Sawflies)
12 spp. in 4 genera in our area(1), >200 spp. in 22 genera worldwide(2)
15-25 mm
Adults robust, resemble bumble bees. Base of abdomen broadly joined to thorax (no wasp waist). Antennae have seven or fewer segments, slightly clubbed.
Larvae eruciform (caterpillar-shaped, i.e., cylindrical, with well-developed head and legs).
Life Cycle
Larvae typically feed on foliage of trees and shrubs. Hosts include: Cimbex--Elm (Ulmus), Zaraea--Honeysuckle (Lonicera), Trichiosoma--Cherry (Prunus)